Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AI4XW callsign genealogy
Currently held by Arroyo, Jose M
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by AI4XW's current licensee, walking backwards.
- Arroyo, Jose MFLgranted 2006-11-16cancelled 2007-05-02
Successor callsigns
Callsigns held now by people who previously held AI4XW.
- Arroyo, Jose MFLgranted 2006-11-16cancelled 2008-04-04